Sequim, Washington Water Quality Report
Water quality data for 41 water systems serving 29,418 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.006 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Resolved Violations (500)
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
+ 495 more resolved violations
Frequently Asked Questions
Is Sequim tap water safe to drink?
Sequim's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Sequim tap water?
1 contaminants have been detected in Sequim's water supply across 41 water systems. See the full contaminant table above for details.
How can I improve my water quality in Sequim?
Install a water filter rated for the specific contaminants found in Sequim's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Sequim have any water quality violations?
Yes, Sequim currently has 57 active violations. See the violations section above for details.